Ryan Bensen, 40, and Erica Manley, 37, paid for a night of dinner and drinks at Twisted Fish Steakhouse in Seaside with a gift card last week.

For a tip, they handed over an envelope with a question mark written on top, The Oregonian reported. Inside, the waitress found crystal meth, which prompted her to call the police.

“She was like ‘Whoa -- what the …?’” Steve Keszler, a manager at the steakhouse, told the newspaper. “We’re not a little dive bar or hole in the wall. We’re a classy place.”

Police arrived shortly and found 17 ounces of the drug in Manley’s purse.

“While I should be shocked and surprised, it’s just another example of how dumb these users and dealers are,” Seaside Police Chief Robert Gross told The Oregonian. “The whole thing almost made me chuckle.”

In a search of the couple’s hotel room, police found a meth lab with a small torch, batteries and other materials.

Benson was charged with possession and manufacture of methamphetamine. Manley was charged with possessing, delivering and manufacturing meth.